Might have something to do with this? http://www.complex.com/tech/2013/01/facebook-messager-app-update-adds-voice-messages-and-voice-calls http://www.complex.c

Might have something to do with this? http://www.complex.com/tech/2013/01/facebook-messager-app-update-adds-voice-messages-and-voice-calls http://www.complex.com/tech/2013/01/facebook-messager-app-up... I honestly don't know. There's been some chatter about Facebook Messenger listening in on your phone calls, and/or requesting access to your phone's microphone, but that information is from very dubious sources.